Dell OptiPlex 7420 - Page 52

Table 52. Category B: Test configuration for OptiPlex All-in-One 7420 with Intel 300T processor/2 x 32
GB memory/M.2 SSD/180 W power adapter
Component Test Configuration
CPU Intel 300T
Memory 32 GB + 32 GB
HDD (#, capacity) M.2 solid-state drive
ODD None
Graphics Adapter Intel UHD Graphics 710
Power adapter 180 W
Table 53. Category B: Test results for OptiPlex All-in-One 7420 with Intel 300T processor/2 x 32 GB
memory/M.2 SSD/180 W power adapter
Operating Mode Sound Power, Declared
mean A-wieghted level,
L
WA,m
(bels)
Sound Power,
Statistical adder for
verification, K
V
(bels)
Sound Pressure Declared mean
A weighted emission level, L
pA,m
,
(dB)
Idle 2.50 0.4 18
Storage Operating 2.40 0.4 18.40
CPU Operating 2.50 0.4 17.70
ODD Operating Not applicable Not applicable Not applicable
All tests are conducted according to ISO 7779 and declared according to ISO 9296 with operating modes defined by ECMA-74.
The Declared Noise Emission in accordance with ISO 9296 is as follows (all values L
WA,m
and K
V
expressed in bels; 1 bel=10
decibels, re 10-12 Watts.
The Declared A-weighted Sound Pressure Level in decibels (re 2x10-5 Pa), are measured in accordance with ISO 7779 7.6.1,
7.6.2, and C.15.2 and declared in accordance with ISO 9296 and rounded to nearest tenth of a bel per ISO 9296 section 4.4.2
Table 54. Category D: Test configuration for OptiPlex All-in-One 7420 with i5-14500T vPro processor/2 x
32 GB memory/M.2 SSD/180 W power adapter
Component Test Configuration
CPU 14th Generation Intel Core i5-14500T vPro
Memory 32 GB + 32 GB
HDD (#, capacity) M.2 solid-state drive
ODD None
Graphics Adapter Intel UHD Graphics 770
Power adapter 180 W
Table 55. Category D: Test results for OptiPlex All-in-One 7420 with i5-14500T vPro processor/2 x 32 GB
memory/M.2 SSD/180 W power 
Operating Mode Sound Power, Declared
mean A-wieghted level,
L
WA,m
(bels)
Sound Power,
Statistical adder for
verification, K
V
(bels)
Sound Pressure Declared mean
A weighted emission level, L
pA,m
,
(dB)
Idle 2.80 0.4 22.90
Storage Operating 2.80 0.4 21.60
CPU Operating 3.40 0.4 27.50
ODD Operating Not applicable Not applicable Not applicable
All tests are conducted according to ISO 7779 and declared according to ISO 9296 with operating modes defined by ECMA-74.
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Engineering specifications